import { reqGetCode, reqUserRegister, reqUserLogin, reqUserInfo, reqLogout } from '@/api'
import { setToken, getToken, removeToken } from '@/utils/token'
//登录与注册的模块
const state = {
  code: '',
  token: getToken(),
  userInfo: {}
}
const mutations = {
  GETCODE(state, code) {
    state.code = code
  },
  USERLOGIN(state, token) {
    state.token = token
  },
  GETUSERINFO(state, userInfo) {
    state.userInfo = userInfo
  },
  //清除本地数据
  CLEAR(state) {
    //帮仓库中相关用户信息清空
    state.token = ''
    state.userInfo = {}
    removeToken()
  }
}
const actions = {
  //获取验证码
  async getCode({ commit }, phone) {
    //获取验证码的这个接口:把验证码返回，但是正常情况，后台把验证码发到用户手机上【省钱】
    let result = await reqGetCode(phone)
    if (result.code == 200) {
      commit('GETCODE', result.data)
    } else {
      return Promise.reject(new Error('failed'))
    }
  },
  //用户注册
  async userRegister({ commit }, user) {
    let result = await reqUserRegister(user)
    if (result.code == 200) {
      return 'ok'
    } else {
      return Promise.reject(new Error('此账号已被注册！请重新注册！'))
    }
  },
  //登录业务
  async userLogin({ commit }, data) {
    let result = await reqUserLogin(data)
    //服务器下发token，用户唯一标识符(uuid)
    //将来经常通过带token找服务器要用户信息进行展示
    if (result.code == 200) {
      //用户已经登录成功且获取到token
      commit('USERLOGIN', result.data.token)
      //持久化存储token
      // localStorage.setItem('TOKEN', result.data.token)
      setToken(result.data.token)
      return 'ok'
    } else {
      return Promise.reject(new Error('密码错误！'))
    }
  },
  //获取用户信息
  async getUserInfo({ commit }) {
    let result = await reqUserInfo()
    if (result.code == 200) {
      //提交用户信息
      commit('GETUSERINFO', result.data)
      return 'ok'
    } else {
      return Promise.reject(new Error('Failed'))
    }
  },
  //退出登录
  async userLogout({ commit }) {
    //只是向服务器发起一次请求，通知服务器清除token
    let result = await reqLogout()
    //action里面不能操作state，提交mutation修改state
    if (result.code == 200) {
      commit('CLEAR')
      return 'ok'
    } else {
      return Promise.reject(new Error('Failed'))
    }
  }
}
const getters = {}
export default {
  state,
  mutations,
  actions,
  getters
}
